Table 2.
Goodness of fit indices for the twelve tested trajectory models.
| Number of trajectories | Linear | Linear + quadratic | ||||
|---|---|---|---|---|---|---|
| AIC | BIC | SC (%) | AIC | BIC | SC (%) | |
| 1 | 8170.13 | 8178.12 | 100 | 8159.95 | 8170.6 | 100 |
| 2 | 7346.11 | 7362.09 | 43.4 | 7328.15 | 7349.46 | 43.4 |
| 3 | 7057.98 | 7081.95 | 26.4 | 7035.83 | 7067.79 | 26.4 |
| 4 | 6982.58 | 7014.54 | 23.6 | 6959.67∗ | 7002.28∗ | 23.6∗ |
| 5 | 6933.27 | 6973.22 | 11.3 | 6915.3 | 6968.57 | 11.3 |
| 6 | 6908.45 | 6956.39 | 7.5 | 6879.58 | 6943.5 | 9.4 |
∗The model with the best fit. AIC: Akaike Information Criterion. BIC: Bayesian Information Criterion. SC: smallest class size.